Bicyclist support structure



FIG. 1 is top, front, right side perspective view of a bicyclist support structure showing my new design;

FIG. 2 is a top, rear, left side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a top, rear, left side perspective view thereof, including unclaimed environmental features; and,

FIG. 10 is a top, front, right side perspective view thereof, including unclaimed environmental features.

The broken lines of FIGS. 1 through 10 form no part of the claimed design. 

CLAIM The ornamental design for a bicyclist support structure, as shown and described. 